Picture Riddle: Which of the 7 Buttons to Ring the Door Bell?

In the picture below, you will see 7 buttons out of which only one is connected to the doorbell.

Find out which of the 7 buttons when pressed will ring the bell.

So were you able to solve the riddle? Leave your answers in the comment section below.

You can check if your answer is correct by clicking on show answer below. If you get the right answer, please do share the riddle with your friends and family on WhatsApp, Facebook and other social networking sites.